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Panasonic GH3 vs Pentax K100D S

Portability
66
Imaging
52
Features
80
Overall
63
Panasonic Lumix DMC-GH3 front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Panasonic GH3 vs Pentax K100D S Key Specs

Panasonic GH3
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 12800
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 550g - 133 x 93 x 82mm
  • Revealed September 2012
  • Succeeded the Panasonic GH2
  • Successor is Panasonic GH4
Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Revealed June 2007
  • Older Model is Pentax K100D
  • New Model is Pentax K200D
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Panasonic GH3 vs Pentax K100D S Overview

In this write-up, we will be contrasting the Panasonic GH3 vs Pentax K100D S, one being a Advanced Mirrorless and the latter is a Entry-Level DSLR by companies Panasonic and Pentax. There exists a significant gap between the sensor resolutions of the GH3 (16MP) and K100D S (6MP) and the GH3 (Four Thirds) and K100D S (APS-C) feature totally different sensor measurements.

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The GH3 was unveiled 5 years later than the K100D S and that is quite a sizable gap as far as technology is concerned. The two cameras offer different body type with the Panasonic GH3 being a SLR-style mirrorless camera and the Pentax K100D S being a Compact SLR camera.

Before going through a comprehensive comparison, below is a brief highlight of how the GH3 matches up versus the K100D S in terms of portability, imaging, features and an overall rating.

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Reasons to pick Panasonic GH3 over the Pentax K100D S

 GH3 K100D S 
RevealedSeptember 2012June 2007Fresher by 64 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen sizing3"2.5"Bigger screen (+0.5")
Screen resolution614k210kSharper screen (+404k dot)
Selfie screen Easy selfies
Touch screen Quickly navigate

Reasons to pick Pentax K100D S over the Panasonic GH3

 K100D S GH3 

Common features in the Panasonic GH3 and Pentax K100D S

 GH3 K100D S 
Manually focus Dial accurate focus

Panasonic GH3 vs Pentax K100D S Physical Comparison

For anyone who is going to carry your camera frequently, you'll need to factor in its weight and volume. The Panasonic GH3 has outside dimensions of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") accompanied by a weight of 550 grams (1.21 lbs) and the Pentax K100D S has sizing of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") along with a weight of 646 grams (1.42 lbs).

See the Panasonic GH3 vs Pentax K100D S in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilizing at that time. Underneath is the front view measurements comparison of the GH3 compared to the K100D S.

Panasonic GH3 vs Pentax K100D S size comparison

Using dimensions and weight, the portability rating of the GH3 and K100D S is 66 and 65 respectively.

Panasonic GH3 vs Pentax K100D S top view buttons comparison

Panasonic GH3 vs Pentax K100D S Sensor Comparison

Quite often, its tough to see the difference between sensor sizing purely by checking specifications. The visual here might offer you a stronger sense of the sensor dimensions in the GH3 and K100D S.

To sum up, both the cameras enjoy different megapixel count and different sensor sizing. The GH3 with its tinier sensor will make achieving shallow DOF trickier and the Panasonic GH3 will give you more detail having an extra 10MP. Higher resolution can also help you crop photographs far more aggressively. The fresher GH3 is going to have an advantage when it comes to sensor technology.

Panasonic GH3 vs Pentax K100D S sensor size comparison

Panasonic GH3 vs Pentax K100D S Screen and ViewFinder

Panasonic GH3 vs Pentax K100D S Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GH3 as a Portrait photography camera
Pentax K100D S as a Portrait photography camera
71
has manual focus
good MP (16 megapixels)
sensor size is nice (Four Thirds)
provides face detection autofocus
delivers RAW files
51
has manual focus
sensor size is good (APS-C)
exports RAW formats
no liveview
megapixel count low (6MP)
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Street Comparison

Panasonic GH3 Street photography highlights
Pentax K100D S Street photography highlights
65
fully articulated screen
sensor size is nice (Four Thirds)
delivers RAW files
boasts touch to focus
environment sealing
lack of image stabilization
heavier than others (550g)
64
built in image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW formats
screen does not articulate
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Sports Comparison

Panasonic GH3 Sports photography info
Pentax K100D S Sports photography info
63
high frames per second (20.0 fps)
good MP (16 megapixels)
sensor size is nice (Four Thirds)
provides tracking autofocus
environment sealing
better than average battery life (540 shots)
lack of image stabilization
lack of phase detect autofocus
47
built in image stabilization (Sensor based)
sensor size is good (APS-C)
has phase detect autofocus
no liveview
low fps (3.0 frames per second)
megapixel count low (6 megapixels)
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Travel Comparison

Panasonic GH3 Travel photography highlights
Pentax K100D S Travel photography highlights
71
better than average battery life (540 CIPA)
environment sealing
boasts touch to focus
good MP (16 megapixels)
has built in flash
selfie friendly display
heavier than others (550 grams)
45
built-in flash
does not have Timelapse mode
megapixel count low (6 megapixels)
doesn't offer selfie friendly display
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Landscape Comparison

Landscape photography with Panasonic GH3
Landscape photography with Pentax K100D S
71
has manual focus
interchangeable lenses (Micro Four Thirds mount)
screen is a good size (3 inch)
good MP (16MP)
sensor size is nice (Four Thirds)
delivers RAW files
environment sealing
better than average battery life (540 CIPA)
lack of image stabilization
52
has manual focus
switch lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW formats
screen is small (2.5 inches)
no liveview
megapixel count low (6MP)
does not have Timelapse mode
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Vlogging Comparison

Panasonic GH3 Vlogging details
Pentax K100D S Vlogging details
65
selfie friendly display
touchscreen enabled
provides face detection autofocus
video res high (1920 x 1080 resolution)
includes external mic support
lack of image stabilization
heavier than others (550 grams)
9
lack of video recording
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Panasonic GH3 vs Pentax K100D S Specifications

Detailed spec comparison table for Panasonic GH3 and Pentax K100D S
 Panasonic Lumix DMC-GH3Pentax K100D Super
General Information
Brand Name Panasonic Pentax
Model type Panasonic Lumix DMC-GH3 Pentax K100D Super
Class Advanced Mirrorless Entry-Level DSLR
Revealed 2012-09-17 2007-06-28
Physical type SLR-style mirrorless Compact SLR
Sensor Information
Processor Chip Venus Engine VII FHD -
Sensor type CMOS CCD
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.7mm
Sensor area 224.9mm² 369.0mm²
Sensor resolution 16 megapixels 6 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 4608 x 3456 3008 x 2008
Max native ISO 12800 3200
Min native ISO 200 200
RAW files
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 23 11
Lens
Lens mount type Micro Four Thirds Pentax KAF2
Total lenses 107 151
Crop factor 2.1 1.5
Screen
Display type Fully Articulated Fixed Type
Display diagonal 3 inches 2.5 inches
Display resolution 614k dots 210k dots
Selfie friendly
Liveview
Touch screen
Display tech OLED Monitor with static touch control -
Viewfinder Information
Viewfinder Electronic Optical (pentamirror)
Viewfinder resolution 1,744k dots -
Viewfinder coverage 100 percent 96 percent
Viewfinder magnification 0.67x 0.57x
Features
Lowest shutter speed 60 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting rate 20.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance 12.00 m -
Flash settings Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-eye reduction
Hot shoe
AEB
White balance bracketing
Highest flash synchronize 1/160 seconds 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (60, 50, 30, 25 24 fps) 1280 x 720 (60, 50, 30, 25fps), 640 x 480 (30, 25fps -
Max video resolution 1920x1080 None
Video format MPEG-4, AVCHD, H.264 -
Microphone port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 550g (1.21 lb) 646g (1.42 lb)
Dimensions 133 x 93 x 82mm (5.2" x 3.7" x 3.2") 129 x 91 x 71mm (5.1" x 3.6" x 2.8")
DXO scores
DXO All around rating 71 not tested
DXO Color Depth rating 22.7 not tested
DXO Dynamic range rating 12.4 not tested
DXO Low light rating 812 not tested
Other
Battery life 540 photos -
Style of battery Battery Pack -
Battery ID - 4 x AA
Self timer Yes (2 or 10 sec, 10 sec (3 images)) Yes (2 or 12 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC SD/SDHC card
Card slots 1 1
Price at launch $799 $520